Стиль цитування APA (7-ме видання)

Freund, F. T. (2007). Pre-earthquake signals – Part I: Deviatoric stresses turn rocks into a source of electric currents. Copernicus Publications.

Чикаго стиль цитування (17-те видання)

Freund, F. T. Pre-earthquake Signals – Part I: Deviatoric Stresses Turn Rocks into a Source of Electric Currents. Copernicus Publications, 2007.

Стиль цитування MLA (9-ме видання)

Freund, F. T. Pre-earthquake Signals – Part I: Deviatoric Stresses Turn Rocks into a Source of Electric Currents. Copernicus Publications, 2007.